3.1.1.2.18 li

A list item (<li>) is a single item in an ordered (<ol>)
or unordered (<ul>) list. When a DITA topic is rendered, numbers
and alpha characters are usually displayed with list items in ordered
lists, while bullets and dashes are usually displayed with list items
in unordered lists.

Contains

Note: These models represent only the default document types distributed by OASIS.
Actual content models will differ with each new document type.